Samsung Gear S2 vs. Misfit Speedo Shine 2 vs. Garmin 645 Music vs. Polar A370 vs. Garmin Vivosmart 4
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| SamsungGear S2Remove Buy Now | MisfitSpeedo Shine 2Remove Buy Now | Garmin645 MusicRemove Buy Now | PolarA370Remove Buy Now | GarminVivosmart 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $80 | $450 | $179.95 | $130 |
| Release | 2015 | 2016 | 2018 | 2017 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2-3 days | 6 months | 7 days | Up to 3 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | 360 x 360 | n/a | 240 x 240 | 160 x 80 | 48 x 128 |
| Size | 1.2 inches | n/a | 1.2 inches | 1.18 inches | 0.74 inches |
| Touch | n/a | ||||
| Type | Super AMOLED | n/a | MIP | TFT LCD | OLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP68 | 5 ATM | 5 ATM | WR30 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen | n/a | |||
| Apps | |||||
| Music | |||||